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이현하(Lee, Hyeon-Ha),변나향(Byun, Na-Hyang) 대한건축학회 2020 대한건축학회 학술발표대회 논문집 Vol.40 No.2
This study is aimed at deriving measures to improve the pedestrian environment in residential areas near universities. To this end, overseas design guidelines and application cases for pedestrian safety will be examined and compared with domestic literature. Based on the findings, the conditions and methods for creating a safe pedestrian space will be compared to determine the implications, and measures to be applied to the site under examination will be proposed.
이현하(Lee, Hyeonha),변나향(Byun, Nahyang),손동화(Shon, Donghwa) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.2
This paper examines the definitions of smart farm terms used in various fields and to present the significance of smart farm plans. Through this, the ultimate goal is to realize smart farm plans as a sustainable spatial planning measure for urban areas. First, the use of the relevant terms by domestic researchers was examined. Then, whether the terms were used with the inclusion of meanings related to technology, environment, and planning by each researcher was reviewed. Based on this, the paper discusses the possibility of formulating a smart farm plan that does not simply refer to a greenhouse, garden, or landscaping site but can elucidate how to form and supply such spaces.
대학주변 상업가로 파사드 특성 - 청주 내수동로114번길 사례-
이현하(Lee, Hyeon-Ha),변나향(Byun, Na-Hyang) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.1
This study is aimed at analyzing the characteristics of the facades of commercial streets near a university and deriving the direction of improving the street space while taking into consideration the existing building facades. Regarding the research method, elevation drawings of the buildings in the target area were created by visiting the area in person, and the relevant physical factors were analyzed. Facade components taken into consideration included the shape and size of the elevation, signage, openings, boundary treatment methods, freestanding walls in the upper stories, and stone walls or fences. This study focused on commercial streets in a university area containing both commercial and residential zones. The facade components of each section of the target area were examined, and their characteristics were derived as results.
이현하(Hyeon Ha Lee),양진송(Jin Song Yang),박정수(Jeong Soo Park) 한국철도학회 2016 한국철도학회 학술발표대회논문집 Vol.2016 No.5
2013년 박근혜 대통령의 유라시아 이니셔티브 선언을 발표한 이후 교통, 통신, 토목, 신호 등 인프라 건설에 기초한 공동번영을 약속함으로써 남북통일을 위한 분위기가 조성되고 있었으나 최근 북한과의 위기의식 고조로 인해 그마저도 긴장되고 있는 실정이다. 지피지기 백전백승이라는 한자성어와 같이 북한의 철도와 우리나라 철도에 대해 비교·분석하고 필요한 세부항목을 도출하여 북한철도 인프라 구축을 통한 한반도 철도 혁신 프로젝트에 대비해야 할 내용을 정리하였다. 이에 본 논문은 북한 철도의 현황을 SWOT 분석을 통해 좀 더 체계적으로 분석하여, 통일 대비 향후 한반도 철도의 발전방향을 제시하는 것을 목적으로 한다. In 2013, President Park Geun-hye’s Eurasia Initiative agreed to co-prosperity between North and South Korea based on establishing infrastructure, such as transportation and telecommunication. Accordingly, it created the atmosphere of reunification between North and South Korea. Recently, however, North Korea’s continuing provocations have disrupted this positive mood. As the saying goes, “If you know your enemy and yourself, you can win every battle.” We should prepare unified railway in case of the reunification by analyzing both North and South Korea’s railway. Therefore, The purpose of this study is to analyze the present condition of railway in North Korea by SWOT analysis and propose the direction of future development in the Korean Peninsula.
이상목,최석화,이현하,이원창,Lee Sang-mog,Choi Seok-hwa,Lee Hyun-ha,Lee Won-chang 대한수의사회 1992 대한수의사회지 Vol.28 No.6
This study was performed to investigate the infestation rate of heartworm(Dirofilaria immitis) in the peripheral blood of the dog being raised in Korea. Blood samples were obtained between 17 : 00 and 20 : 00 from June to August, 1991. Heartworm was exami
도심형 스마트팜 디자인 가이드라인 개발 연구 - 건축물 용도에 따른 시설배치를 중심으로 -
변나향(Byun, Nahyang),이현복(Lee, Hyun-Bok),이현하(Lee, Hyeonha),손동화(Shon, Donghwa) 대한건축학회 2024 대한건축학회논문집 Vol.40 No.3
This research aims to develop design guidelines for expanding the supply of urban smart farms, with a focus on facility layout based on building use. The approach for guideline development was established through prior examination of related literature, overseas guidelines, and case studies. The study underscores the potential for smart farms, which have demonstrated economic and productive viability in agricultural areas, to be implemented in urban settings through various physical means. To integrate smart farms seamlessly into urban environments, numerous factors must be taken into account. Among these, smart farm facility planning techniques were deemed fundamental. Through case studies involving the integration of buildings and smart farms, particularly greenhouses, installation methods in existing buildings or new constructions were simulated and proposed. Building upon this, the design guideline framework categorizes the urban environment into residential, commercial, educational, and local community facilities. For each setting, guidelines propose the purpose of the installed greenhouse, design characteristics, recommendations, and considerations tailored to specific conditions.
증례보고 : 모야모야병 환자에서의 심폐회로를 가동하지 않는 관상동맥우회로 이식술 중 뇌산소포화도 감시
김성협 ( Seong Hyop Kim ),김태엽 ( Tae Yop Kim ),이현하 ( Hyun Ha Lee ),윤태균 ( Tae Gyoon Yoon ) 대한마취과학회 2009 Korean Journal of Anesthesiology Vol.56 No.4
We report a case using cerebral oxygen saturation (rCbO2) for off-pump coronary artery bypass graft (OPCAB) surgery in a patient with co-existing Moyamoya disease. The rCbO2 with the routine monitoring for OPCAB surgery were monitored intraoperatively. In spite of infusing nimodipine (0.2 μg/kg/min) and maintaining the end-tidal CO2 tension at 35-40 mmHg, a sudden reduction in the right-side rCbO2 from the base line value of 70-80%/78-83% (Left/Right) to 70-72%/65-70% was developed during the harvesting of the vascular graft. We increased the rate of phenylephrine infusion to increase systemic and cerebral perfusion pressure, and both rCbO2 values were elevated to 80%/70% within 3 minutes. However, the preferential reduction in the right-side rCbO2 compared with the left-side value was not corrected. While suspecting cerebral ischemia due to cerebral vascular spasm, we administered nimodipine 2 mg bolus and increased infusion rate to 0.5 μg/kg/min. Finally, the preferential rCbO2 reduction in the right-side was corrected and both rCbO2 reached 84%/91%. We concluded rCbO2 monitoring is useful for detecting an intraoperative episode of cerebral ischemia and maintaining the optimal cerebral perfusion during OPCAB surgery with Moyamoya disease. (Korean J Anesthesiol 2009;56:433~7)